Seiko Cal. 4491 - 877

Seiko 4491-877

This Kinetic model from 1965 features a 46mm Titanium case. Powered by the 4491 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-479e08125389]

Also known as: Monster, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
46mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
30j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1965

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seikata-wm-479e08125389